Is D-dimer used according to clinical algorithms in the diagnostic work-up of patients with suspicion of venous thromboembolism? A study in six European countries

On behalf of the joint Working Group on Postanalytical Phase (WG-POST) of the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) and European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM)

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11 Citations (Scopus)

Abstract

Introduction Clinical algorithms consisting of pre-test probability estimation and D-dimer testing are recommended in diagnostic work-up for suspected venous thromboembolism (VTE). The aim of this study was to explore how physicians working in emergency departments investigated patients suspected to have VTE. Materials and methods A questionnaire with two case histories related to the diagnosis of suspected pulmonary embolism (PE) (Case A) and deep venous thrombosis (DVT) (Case B) were sent to physicians in six European countries. The physicians were asked to estimate pre-test probability of VTE, and indicate their clinical actions. Results In total, 487 physicians were included. Sixty percent assessed pre-test probability of PE to be high in Case A, but 7% would still request only D-dimer and 11% would exclude PE if D-dimer was negative, which could be hazardous. Besides imaging, a D-dimer test was requested by 41%, which is a "waste of resources" (extra costs and efforts, no clinical benefit). For Case B, 92% assessed pre-test probability of DVT to be low. Correctly, only D-dimer was requested by 66% of the physicians, while 26% requested imaging, alone or in addition to D-dimer, which is a "waste of resources". Conclusions These results should encourage scientific societies to improve the dissemination and knowledge of the current recommendations for the diagnosis of VTE.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalThrombosis Research
Volume142
DOIs
Publication statusPublished - Jun 1 2016

Keywords

  • Clinical algorithms
  • Clinical decision rules
  • D-dimer
  • Pre-test probability
  • Venous thromboembolism

ASJC Scopus subject areas

  • Hematology

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    On behalf of the joint Working Group on Postanalytical Phase (WG-POST) of the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) and European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM) (2016). Is D-dimer used according to clinical algorithms in the diagnostic work-up of patients with suspicion of venous thromboembolism? A study in six European countries. Thrombosis Research, 142, 1-7. https://doi.org/10.1016/j.thromres.2016.04.001